Hairbrush handle



FIG. 1 is a perspective view.

FIG. 2 is a plan view.

FIG. 3 is a bottom view.

FIG. 4 is a front elevational view.

FIG. 5 is a schematic left side view; and,

FIG. 6 is a schematic right side view.

The rear surface not shown in the drawings or described in the specification forms no part of the claimed design. 

The ornamental design for a hairbrush handle, as shown and described. 